Re: Bug found via FXGLViewer::pick()

Roland Hughes via Foxgui-users <[email protected]>
Newsgroups gmane.comp.lib.fox-toolkit.user
Message-ID <[email protected]>
Intel has a pathetic OpenGL Driver. It's one of the many reasons their 
stock is taking.

On 2/13/2023 7:52 AM, [email protected] wrote:
> On 2023-02-10 16:05, David Vereb wrote:
>> Hello everyone,
>>
>> I've encountered a bug after updating my Ubuntu 22.04 installation.
>> Our code works on Ubuntu kernel 5.15.0-56-generic, but not on
>> 5.15.0-58-generic or 5.15.0-60-generic.  I understand that this is
>> likely not a bug in Fox Toolkit, but I don't know how to further
>> investigate and was hoping someone here could provide assistance (or
>> at least lead me in the right direction).
>>
>> Please see https://github.com/dvereb/fox-pick-bug for a minimum viable
>> example.  I've included a backtrace where my program segfaults in the
>> README, and it's simple enough to install & run via make && ./a.out.
>> Note that I'm on fox-1.6.57-1build1 in the Ubuntu repository.
>>
>> If there's anything else you need me to look up & respond back with,
>> please let me know.  I've tried this on multiple machines with the
>> same hardware: Intel(R) Core(TM) i3-10100 CPU with onboard graphics.
>
> I have older i5-8500 processor running integrated GPU and am seeing
> FXGLViewer's pick() not working.
>
> With NVIDIA GTX3060 the pick() works fine. [This is with latest FOX
> version, incidentally)].
>
> So it appears to be OpenGL driver issue. Not sure what it would take
> to fix it, maybe dive into the Mesa graphics code and see where it
> goes off the rails.
>
> I am not getting a core dump, btw. Just pick not working.
>
>
>   -- JVZ
>
>
> _______________________________________________
> Foxgui-users mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/foxgui-users

-- 
Roland Hughes, President
Logikal Solutions
(630)-205-1593  (cell)
http://www.theminimumyouneedtoknow.com
http://www.infiniteexposure.net
http://www.johnsmith-book.com



_______________________________________________
Foxgui-users mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/foxgui-users
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.